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[Meta] proposal — a flair for data logger posts
Putting this to the board: proposal — a flair for data logger posts. A transit temperature logger records a distribution, and time above a threshold matters as much as…
u/tidy_vialdrawer_watch28
Came for one answer, stayed for three years.
member · joined 11 Dec 2023
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comment on [Explainer] area% is not mass% and here is exactly why it matters in c/coa · 7 points · 6 days ago
Pushing back a little: a missing field is usually presentation, not concealment. Ask for the full document before drawing conclusions.
comment on [COA] what does "related substances 1.4%" actually mean for my vial in c/coa · 4 points · 12 days ago
chromatogram or it did not happen
Agreed, and the practical version is: ask for the itemised table. If it exists, you get it.
comment on someone explain lyophilised to me like I have not read a paper in years in c/coldchain · 67 points · 1 months ago
A transit temperature logger records a distribution, and time above a threshold matters as much as peak temperature. That is the argument for logging rather than guessing.
comment on does ice pack actually matter or is it forum lore at this point in c/coldchain · 105 points · 1 months ago
Gel packs are designed for a duty cycle. A liquid pack at the end of a longer-than-expected transit is a pack behaving as specified, not evidence of an excursion in the vial.
comment on [Lab] 6th independent test on HJ — 99.1% on a claimed 99.0%, and the trend is the interesting part in c/coa · 125 points · 1 months ago
Sent one vial to VendorInvestigate and Janoshik. 99.0% and a claimed 98.5%. Cost me more than the vial and I would do it again.
comment on the UK: excursion, and what it actually costs here in c/coldchain · 126 points · 1 months ago
the door shelf is the worst place in the fridge
comment on [Meta] proposal — a flair for data logger posts in c/coldchain · -1 points · 2 months ago
Was there a logger in the box?
comment on [Meta] proposal — a flair for data logger posts in c/coldchain · 3 points · 2 months ago
Where in the fridge is it sitting now?
comment on [Meta] proposal — a flair for data logger posts in c/coldchain · 3 points · 2 months ago
Do you know what storage condition the stability statement covers?
comment on [PSA] cold chain is not what most of this community thinks it is in c/coldchain · 63 points · 2 months ago
I would not freeze it in solution. That is a different failure mode and a worse one.
comment on [Discussion] can we stop arguing about data logger until somebody posts a number in c/coldchain · 120 points · 3 months ago
Same. Door shelf is the worst place in the fridge and it is where everybody puts them.
comment on [Results] 55 weeks on 5mg, full numbers, ask me anything boring in c/orforglipron · 1 points · 3 months ago
Went looking for independent testing on this and found essentially nothing, which was clarifying.
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[Results] 55 weeks on 5mg, full numbers, ask me anything boring
Reporting in. 55 weeks on 5mg, full numbers, ask me anything boring. The relevant figures are 55 weeks and 5mg, and they come from the same log I have kept the whole…
comment on help me understand cold chain, I have read the wiki twice in c/coldchain · 40 points · 4 months ago
regional stock removes most of this problem entirely
comment on genuine question about data logger that I am slightly embarrassed to ask in c/coldchain · 71 points · 5 months ago
Powder or already in solution?
comment on [Lab] 10th independent test on ERP — 97.2% on a claimed 97.0%, and the trend is the interesting part in c/coa · -16 points · 6 months ago
post the whole document, not the headline number
comment on [Discussion] can we stop arguing about packaging until somebody posts a number in c/coldchain · 2 points · 7 months ago
Is this a line they hold in regional stock or is it shipping from origin?
comment on [Discussion] can we stop arguing about packaging until somebody posts a number in c/coldchain · 3 points · 7 months ago
That is the ambient temperature at the destination, not the temperature inside the box. The logger measures the second one.
comment on reading related substances threads from 2024 and half of it aged badly in c/coa · 27 points · 7 months ago
That is not what the method line says. It names the technique; it does not certify the operator.
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[Discussion] can we stop arguing about packaging until somebody posts a number
can we stop arguing about packaging until somebody posts a number. Searched first, found three threads that contradict each other, hence the post. Once in solution, the…
comment on is it normal to get muscle cramps at week 86 in c/orforglipron · 50 points · 9 months ago
Spent an evening reading about small-molecule agonism at a peptide receptor. Genuinely interesting engineering.
comment on non-peptide: what the trials say vs what this community says in c/orforglipron · 3 points · 9 months ago
daily dosing, not weekly, so the exposure profile is different
comment on non-peptide: what the trials say vs what this community says in c/orforglipron · 1 points · 9 months ago
Agreed that phase 3 is where the comparison becomes fair. Everything before it is inference.
comment on [Meta] the data logger rule is doing its job and people should stop complaining in c/coldchain · 116 points · 10 months ago
the excursion that matters is the one after reconstitution
comment on [Question] batch — what am I missing here in c/coa · 12 points · 11 months ago
a total of 0.4% tells you less than four named impurities adding to 0.6%
comment on Spain: data logger, and what it actually costs here in c/coldchain · 124 points · 11 months ago
fridge, not freezer, once it is in solution
comment on [Discussion] can we stop arguing about ice pack until somebody posts a number in c/coldchain · -10 points · 1 year ago
Is this a line they hold in regional stock or is it shipping from origin?
comment on [Discussion] can we stop arguing about ice pack until somebody posts a number in c/coldchain · 40 points · 1 year ago
I would not freeze it in solution. That is a different failure mode and a worse one.
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[Discussion] can we stop arguing about ice pack until somebody posts a number
can we stop arguing about ice pack until somebody posts a number. Searched first, found three threads that contradict each other, hence the post. Put a logger in three…
comment on [Results] 46 weeks, 21kg, and orforglipron was the hard part in c/orforglipron · 1 points · 1 year ago
Phase 2 or phase 3?
comment on [Question] is 99.0% actually fine or am I being sold a rounding error in c/coa · 27 points · 1 year ago
My first certificate had a compound name, a percentage and a logo. I thought that was normal. It is not, and now I know what to ask for.
comment on [Question] how do you actually verify packaging in c/coldchain · 58 points · 1 year ago
Push back: you cannot infer degradation from a temperature excursion alone. That is what testing is for.
comment on [Discussion] the purity advice in here is 3 years out of date in c/coa · 4 points · 1 year ago
Related substances itemised individually is a much stronger document than a single total, because it tells you the shape of the impurity profile rather than its size.
comment on Germany: data logger, and what it actually costs here in c/coldchain · 21 points · 1 year ago
Gel packs are designed for a duty cycle. A liquid pack at the end of a longer-than-expected transit is a pack behaving as specified, not evidence of an excursion in the vial.
comment on unpopular opinion: most of what gets said here about certificate of analysis is guesswork in c/coa · 1 points · 1 year ago
the related substances line is where the story is
comment on [Discussion] can we stop arguing about excursion until somebody posts a number in c/coldchain · 12 points · 1 year ago
That is a lane problem rather than a packaging problem, and the fixes are different.
Disagreeing with this line only: freezing a reconstituted vial is not a safe default.
comment on [Discussion] can we stop arguing about excursion until somebody posts a number in c/coldchain · 390 points · 1 year ago
Careful. "The cold chain failed" is a strong claim and the evidence you have is a warm box.
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[Vendor] BCH order #16 — Germany, 4 days, no drama, receipts inside
Adding to the record: BCH order #16 — Germany, 4 days, no drama, receipts inside. It matches what the source page already shows, for whatever that is worth. Numbers, in…
comment on the water content question that gets asked weekly, answered properly in c/coa · 1 points · 1 year ago
The document I was worried about turned out to be a re-issue with a later creation date. Asked, got the original, entirely ordinary.